To Calculate the Freezing Point of an Ideal Dilute Solution

Multiple Choice

To calculate the freezing point of an ideal dilute solution of a single, nondissociating solute in a solvent, the minimum information one must know is
I.the molality (of the solute) .
II.the molality (of the solute) and the freezing-point-depression constant of the solvent.
III.the freezing point of the pure solvent.
IV.the molecular weight of the solute.
V.the weight of the solvent.

A) II, III only
B) II only
C) II, III, IV
D) II, III, V
E) I only